Questions After a Retreat: What Books to Read, What Steps to Take Next

Shortly after concluding my Praying with the Spanish Mystics Retreat, one of the persons who participated sent me this follow-up email:

Hello. I have your book Answering the Contemplative Call, which I will be reading shortly. Which other books do you recommend for someone who attends silent retreats?

I started reading Thomas Merton’s The Seven Story Mountain — what commentary book would you recommend on Merton? Likewise St Theresa or maybe I should pick a different mystic for starters after Mer...